The Ultima NIX formula is a combination algaecide and phosphate remover. This powerful dual action product is designed to keep your pool free of algae all season long by reducing phosphates and eliminating algae. It is compatible with all sanitizing systems and, best of all, swimmers can resume pool use 15 minutes after treatment!

Algaecide and phosphate remover in one

Stops algae before it starts

Easy to use

No phosphate testing required

Swimmers can re-enter the pool just 15 minutes after application

Initial Application:Add 16 oz. of Ultima NIX per 25,000 gallons of water directly to the pool. Operate the pump continuously for 24 hours to allow the product to be evenly distributed and to allow the filter to recover any phosphate removed from the water.

Maintenance Application:Add 4 oz. of Ultima NIX per 25,000 gallons of water directly to the pool weekly. Maintain the circulation by running the pump for at least 4 hours after application.

Winterizing Application:Test the water and adjust to the proper levels. After pool is no longer in use, shock treat with a recommended shock product according to label directions. Allow pump to circulate for several hours or overnight. Add Ultima NIX directly to pool water by walking around the pool perimeter to ensure even distribution. Apply 32 oz. per 15,000 gallons. Allow to circulate for 2-3 hours. Clean pool water line, shut down filter, drain pump and winterize as per manufacturer's instructions.